542743907 has 2 divisors, whose sum is σ = 542743908. Its totient is φ = 542743906.

The previous prime is 542743847. The next prime is 542743919. The reversal of 542743907 is 709347245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542743907 - 2¹² = 542739811 is a prime.

It is equal to p_28484663 and since 542743907 and 28484663 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (542743967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271371953 + 271371954.

It is an arithmetic number, because the mean of its divisors is an integer number (271371954).

Almost surely, 2^542743907 is an apocalyptic number.

542743907 is a deficient number, since it is larger than the sum of its proper divisors (1).

542743907 is an equidigital number, since it uses as much as digits as its factorization.

542743907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 542743907 is about 23296.8647461413. The cubic root of 542743907 is about 815.7022349060.

The spelling of 542743907 in words is "five hundred forty-two million, seven hundred forty-three thousand, nine hundred seven".